updates current_checks for every action event processed
add EntityCheck#disable\!
added a disable button on checks when they're anabled
fixes #104 - disabled checks are hidden in web UI
allow wider page
include check output summary on list views
merge haml-ejb changes from master
remove haml files post manual merge
disabled (non-current) checks now hidden from indexes in API
improve efficiency as suggested by @ali-graham
Merge pull request #254 from jessereynolds/104_disable_checks

allow stale checks to be disabled and hidden in the Web UI